PCI: Separate pci_bus_read_dev_vendor_id from pci_scan_device
We can reuse it for pciehp probing.
-v2: according to Kenji, fix crs timeout checking, and export the function
for later use when pciehp is compiled as a module.
Suggested-by: Matthew Wilcox <[email protected]>
Signed-off-by: Yinghai Lu <[email protected]>
Signed-off-by: Jesse Barnes <[email protected]>
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index 1009a5e..aaf7ff8 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -207,6 +207,8 @@
pci_bar_mem64, /* A 64-bit memory BAR */
};
+bool pci_bus_read_dev_vendor_id(struct pci_bus *bus, int devfn, u32 *pl,
+ int crs_timeout);
extern int pci_setup_device(struct pci_dev *dev);
extern int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type,
struct resource *res, unsigned int reg);
